The Imperial Vacuum Flask 420ml Black is a high-quality and durable flask that is perfect for keeping your beverages hot or cold for hours on end. The flask is made of premium-grade stainless steel that is built to last and is designed to resist rust and corrosion. The double-walled vacuum insulation technology helps to keep your drink hot or cold for hours on end, making it perfect for outdoor adventures, long commutes, or long work days. The flask features a leak-proof design, easy-to-use twist-and-pour stopper, and a sleek black color that makes it a great choice for any occasion. The 420ml capacity is perfect for holding a moderate amount of liquid, whether it is your morning coffee or an afternoon tea, making it ideal for personal use, or for those who prefer a smaller size. The flask is also easy to clean and maintain, making it a great choice for everyday use. Overall, the Imperial Vacuum Flask 420ml Black is a reliable and convenient choice for anyone who wants to keep their beverages at the perfect temperature all day, and also appreciate its sleek and modern look.